试图获取非对象// user的属性'id'，以获取侧面菜单/栏

Question

otice（8）：未定义的变量：用户[APP / Template / Layout / default.ctp，第102行]

通知（8）：尝试获取非对象[APP / Template / Layout / default.ctp，第102行]的属性“ id”

 <?php`enter code here`
        if ($auth){

            $currentViewDetails = strtolower($inflector::singularize($this->name)); //=user

            //check if is a user model
            if(isset($$currentViewDetails->user_id)){
                 $currentViewDetailsId = $$currentViewDetails->user_id;
            }

            if($currentViewDetails == 'User'){
                $currentViewDetailsId = $$currentViewDetails->id;
            }
            //check if user is Authorized

            $isUserAuthorized = false;


            if(isset($$currentViewDetailsId) or $$currentViewDetails->id == $auth['User']['id']){
                $isUserAuthorized = true;


            }

             echo $this->element('sidemenus/side_menu_login',['viewName'=> $inflector::singularize($this->name),'isUserAuthorized'=>$isUserAuthorized]); 
         }else{
            echo $this->element('sidemenus/side_menu_logout'); 

         } ?>
        <?= $this->fetch('content') ?>

Notice (8): Undefined variable: user [APP/Template/Layout/default.ctp, line 102]

Notice (8): Trying to get property 'id' of non-object [APP/Template/Layout/default.ctp, line 102]